Document Outline

• Important User Information
• Additional Resources
  • Ch 1 - Introduction
  • Ch 2 - Installation
  • Ch 3 - Communications
  • Ch 4 - Applying Power
  • Ch 5 - Operation
  • Ch 6 - Display Screen
  • Ch 7 - Maintenance
  • Ch 8 - Specifications
• Chapter 1
  • Introduction
    • Safety Considerations
• Chapter 2
  • Installation
    • System Components
    • SR System Layout
      • Figure 1 - SR System Layout
    • ER System Layout
      • Figure 2 - ER SBS system layout
      • Figure 3 - ER BTB system layout
    • System Clearance
    • Pre-Installation Configuration
      • Preparing the SR System
        • 1. Remove all tan-colored masking dots, blue-colored tape, and all plastic sheets.
        • 2. Remove all eight plastic 13mm hole plugs in the right side of the switchboard cabinet.
        • 3. Remove and save for later step: four (4) hex-head bolts with lock washer and flat washer in left side of MegaDySC cabinet. [tool required: 9/16- inch wrench or socket]
      • Preparing the ER System for SBS layout
        • 1. Remove all tan-colored masking dots, blue-colored tape, and all plastic sheets.
        • 2. Remove all eight plastic 13mm hole plugs in the right side of the switchboard cabinet.
        • 3. Remove and save for later step: four (4) hex-head bolts with lock washer and flat washer in left side of MegaDySC cabinet. [tool required: 9/16- inch wrench or socket]
        • 4. Remove two (2) 75 mm electrical knock-outs (EKO) in the bottom-right side of MegaDySC cabinet. Refer to Figure 4 on page 12.
        • 5. Remove the two (2) front-most 13mm plastic hole plugs in the right side of the MegaDySC cabinet. Leave the two rear-most hole plugs in place. Refer to Figure 4 on page 12.
        • 6. Remove two (2) 63mm EKOs in bottom-left side of ER storage cabinet. Refer to Figure 5 on page 12.
        • 7. Remove and save for later step: two (2) hex-head bolts with lock washer and flat washer in left side of ER storage cabinet. [tool required: 9/16-inch wrench or socket]. Refer to Figure 5 on page 12.
        • 8. Remove tie plate from the top of the ER storage cabinet, discard the sheet of padding material, and replace the tie plate and screws—tie plate is not needed for the SBS layout.
          • Figure 4 - MegaDySC Cabinet Preparation for SBS Layout
          • Figure 5 - ER Storage Cabinet Preparation for SBS Layout
      • Preparing the ER System for BTB layout
        • 1. Remove all tan-colored masking dots, blue-colored tape, and all plastic sheets.
        • 2. Remove all eight (8) plastic 13 mm hole plugs in the right side of the switchboard cabinet.
        • 3. Remove and save for later step: four (4) hex-head bolts with lock washer and flat washer in left side of MegaDySC cabinet. [tool required: 9/16- inch wrench or socket]
        • 4. Remove two (2) electrical knock-outs (EKO) in the bottom-rear panel of MegaDySC cabinet.
        • 5. Remove the cover plate from the bottom-rear of the ER storage cabinet. Save the cover and screws for possible later use—they are not needed for the BTB layout.
    • System Mounting
      • Mechanical Interconnection of Cabinets
        • Figure 6 - Mechanical interconnections between 800A MegaDySC Module, Automatic Bypass Switchboard, and ER Module for SBS layout
        • Figure 7 - Mechanical interconnections between 800A MegaDySC Module, Automatic Bypass Switchboard, and ER Module for BTB layout
      • MegaDySC Floor Mounting
        • Figure 8 - Floor Mounting Detail – SR System
        • Figure 9 - Floor Mounting Detail – ER System SBS layout
        • Figure 10 - Floor Mounting Detail – ER System BTB layout
    • Electrical Interconnections
    • Electrical Supply and Load Connections
      • 1. Remove the CABLE ENTRY PLATE on the top of the switchboard (Refer to Figure 1, Figure 2, or Figure 3)
      • 2. Open the two right side doors of the switchboard
      • 3. Remove the dead front panel covering the circuit breakers (4 screws) (Refer to Figure 11). Remove the transparent shield
        • Figure 11 - Switchboard covers
        • Figure 12 - Main Power Terminals (front view)
        • Figure 13 - Automatic Bypass Switchboard Terminations and Conduit Landing Areas
      • MegaDySC System Installation Connections Checklist
• Chapter 3
  • Communications
    • Figure 14 - Customer I/O terminals
    • Remote Diagnostics (TB1 Customer Contacts)
      • Figure 15 - Schematic of Customer Dry Contacts
    • Modbus TCP/IP Communications
    • i-Sense® Voltage Monitor
• Chapter 4
  • Applying Power
    • Notes:
• Chapter 5
  • Operation
    • System Description
    • MegaDySC Operation
      • Table 1 - Operational Conditions and Indications
    • Automatic Bypass Switchboard Operation
    • Automatic Bypass Switchboard Operating Instructions
      • Automatic System
      • Manual Transfer to Maintenance Bypass
        • 1. Press green “CLOSE CBB” push button
        • 2. Confirm that red “BYPASS CLOSED” lamp is lit.
        • 3. Press red “OPEN CBI” push button. Output breaker (CBO) will open automatically.
        • 4. Confirm that both CBI and CBO are open.
        • 5. The MegaDySC is now bypassed and isolated for maintenance.
      • Manual Transfer to MegaDySC
        • 1. Confirm green “READY TO CLOSE CBI” lamp is on.
        • 2. Manually close breaker CBI.
        • 3. Confirm that the MegaDySC touchscreen is lit, is green and displays “OK” in the upper left corner.
        • 4. Manually close breaker CBO.
        • 5. Confirm that the screen on the MegaDySC displays “OK”.
        • 6. Press red “OPEN CBB” push button.
        • 7. The MegaDySC system is now providing power to the load.
          • Figure 16 - Schematic diagram of Automatic Bypass Switchboard Power Circuit
    • Transient Voltage Surge Suppressor (TVSS)
    • Troubleshooting Notes
      • Normal Mode
      • Bypass Mode
      • Test Mode
      • Fault Protection
        • CBB and CBO Set Points
        • CBI Set Points
      • Diagnostic Indicators
        • 1. Open static switch (failure in static switch path)
        • 2. Open main input fuse (F1-F2-F3-F4-F5-F6)
        • 3. Overload of static switch (may cause over-current trip in CBI; see Specifications)
        • 4. Over-temperature of static switch heatsink
        • 5. Over temperature of MegaDySC cabinet ambient air
        • 6. Open cabinet door
    • Notes:
• Chapter 6
  • Display Screen
    • Overview
      • At installation time perform the following steps to configure your system:
        • Figure 17 - Home Screen
        • Figure 18 - System Configuration
        • Figure 19 - Touch Screen Calibration
        • Figure 20 - Set System Date and Time
    • Home Screen
      • Figure 21 - Home Screen
      • Table 2 - Home Screen Description
      • Mechanical Bypass
        • Figure 22 - Home Screen Mechanical Bypass
    • System Status
      • Figure 23 - System Status Summary
      • Figure 24 - - System Status Waveforms
      • Table 3 - System Status Description
      • Figure 25 - Status Screen Bypass Status
    • Voltage Sag Events
      • Voltage Sag Log
        • Figure 26 - Voltage Sag Log
        • Table 4 - Voltage Sag Log Description
    • Voltage Sag Detail
      • Figure 27 - Voltage Sag Detail
      • Table 5 - Voltage Sag Detail Description
    • Voltage Sag RMS Voltage Charts
      • Figure 28 - RMS Voltage Charts
    • Voltage Sag Notification
      • Figure 29 - Voltage Sag Detected
    • System Events
      • Table 6 - System Event Description
      • Informational
      • Auto-Resetting
      • User Attention
      • Manual-Reset
      • Call Service
      • System Event Log
        • Figure 30 - System Event Log
        • Table 7 - System Event Log Description
    • System Event Detail
      • Figure 31 - System Event Detail
      • Table 8 - System Event Detail
      • System Event Notification
        • Figure 32 - System Fault Detection
        • Figure 33 - System Fault Detection - Cleared
    • System Configuration
      • Figure 34 - System Configuration
    • Model Information
      • Figure 35 - Model Information
      • Table 9 - Model Information
      • Run System Tests
        • Figure 36 - System Tests
      • Diagnostics Mode
• Chapter 7
  • Maintenance
    • Preventative Maintenance
      • Monthly Checks
      • 3-6 Month Checks
        • Table 10 - System Event Table
    • Servicing
      • Automatic Circuit Breakers, Safety Interlocks and Stored Energy
    • Fuses
      • Automatic Bypass Switchboard Fuses
      • MegaDySC and ER Cabinet Fuses
        • Table 11 - MegaDySC Fuse Schedule
• Chapter 8
  • Specifications
    • Table 12 - Technical Specifications 800A MegaDySC
    • Table 13 - MegaDySC Heat Loading and Typical Efficiency
    • Table 14 - MegaDySC System Weight